Reading, Pennsylvania Water Quality Report
Water quality data for 12 water systems serving 175,161 people.
Water Source
Detected Contaminants
| Contaminant | Detected Level | EPA Limit (MCL) | Health Guideline | % of Limit | Status |
|---|---|---|---|---|---|
| lithium | 19.7 | No federal limit | 10.0 ug/L(EPA/USGS HBSL) | 197% | Above guideline |
| PFBA | 0.010 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFBS | 0.006 | No federal limit | 2000.0 ug/L(EPA Health Advisory) | 0% | Below guideline |
| PFHpA | 0.008 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxA | 0.022 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
| PFHxS | 0.010 | 0.010 ug/L | 0.001 ug/L(EWG) | 102% | Above limit |
| PFNA | 0.008 | 0.010 ug/L | — | 77% | Within limit |
| PFOA | 0.009 | 0.004 ug/L | 0.090 ug/L(EWG) | 220% | Above limit |
| PFOS | 0.016 | 0.004 ug/L | 0.300 ug/L(EWG) | 410% | Above limit |
| PFPeA | 0.030 | No federal limit | 1000.0 ug/L(EWG) | 0% | Below guideline |
Recommended Water Filters
Based on the contaminants detected in your water supply, these filtration systems are recommended:
Reverse Osmosis (RO)
Reverse osmosis systems remove up to 99% of PFAS compounds. Recommended for homes with detected PFAS.
Up to 99% PFAS removal
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Compliance & Violations
Active Violations (4)
4H
Jul 2, 2025
2A
Aug 15, 2020
52
Oct 1, 2019
52
Oct 1, 2019
Resolved Violations (496)
31
May 1, 2025 — May 31, 2025
31
May 1, 2025 — May 31, 2025
41
Apr 1, 2025 — Apr 30, 2025
41
Apr 1, 2025 — Apr 30, 2025
41
Apr 1, 2025 — Apr 30, 2025
+ 491 more resolved violations
Frequently Asked Questions
Is Reading tap water safe to drink?
Reading's water has 3 contaminants detected above EPA limits. While the water is treated, residents may want to consider additional filtration.
What contaminants are in Reading tap water?
10 contaminants have been detected in Reading's water supply across 12 water systems. See the full contaminant table above for details.
How can I improve my water quality in Reading?
Install a water filter rated for the specific contaminants found in Reading's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.
Does Reading have any water quality violations?
Yes, Reading currently has 74 active violations. See the violations section above for details.